Changelog# Changes in 0.7 0.7.1 0.7.0 Backward-incompatible changes Changes in 0.6 0.6.1rcX 0.6.0 Backward-incompatible changes Changes in 0.5 0.5.1 0.5.0 Backward-incompatible changes Deprecated features Changes in 0.4 0.4.2 0.4.1 0.4.0 Backward-incompatible changes Changes in 0.3 0.3.9 0.3.8 0.3.7 0.3.6 0.3.5 0.3.4 0.3.3 0.3.2 0.3.1 0.3.0 Backward-incompatible changes Changes in 0.2 0.2.0 Backward-incompatible changes